import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86185
 * Date: 2023-10-16
 * Time: 14:43
 */
@WebServlet("/login")
public class LoginServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        if(username == null || password == null || username.equals("") || password.equals("")) {
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("请求不完整");
            return;
        }

        if(!username.equals("gujingjing")) {
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("用户名错误");
            return;
        }
        if(!password.equals("123")) {
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("密码错误");
            return;
        }

        HttpSession session = req.getSession(true);
        session.setAttribute("username", username);
        session.setAttribute("count", 0);

        resp.sendRedirect("index");
    }
}
